Long chain fatty acid synthesis

CONTENTS Fatty acid synthesis De novo fatty acid synthesis in plants and animals Synthesis of long chain saturated and unsaturated fatty acids Omega-3 and omega-6 PUFA synthesis References Fatty acid synthesis When excess calories are consumed from carbohydrates or proteins, such surplus is used to synthesize fatty acids and then triacylglycerols, while it doesn’t occur if the excess […]

Omega-6 polyunsaturated fatty acids

The synthesis of ω-6 polyunsaturated fatty acids Omega-6 polyunsaturated fatty acids are the major polyunsaturated fatty acids (PUFA) in the Western diet (about 90% of all of them in the diet), being components of most animal and vegetable fats. ω-6 Polyunsaturated fatty acids and linoleic acid Within the omega-6 (ω-6) family, linoleic acid is one of the […]

Relationship between omega-3, omega-6 and omega-9 PUFA

Relationship between omega-3 fatty acids on functions mediated by omega-6 fatty acids Impair uptake of omega-6 polyunsaturated fatty acids (PUFA). Inhibit desaturases, especially Δ6 desaturase. Competitively inhibit cyclooxygenase and lipoxygenase. Compete with omega-6 polyunsaturated fatty acids for acyltransferases. Dilute pools of free arachidonic acid. Displace arachidonic acid from specific phospholipid pools. Form eicosanoid analogs with less […]

Omega-3 polyunsaturated fatty acids

The synthesis of ω-3 polyunsaturated fatty acids Within omega-3 (ω-3) polyunsaturated fatty acid family: alpha-linolenic acid; eicosapentaenoic acid or EPA; docosahexaenoic acid or DHA. are important fatty acids. ω-3 Polyunsaturated fatty acids and α-linolenic acid Like linoleic acid (omega-6 fatty acid), alpha-linolenic acid or ALA is a primary product of plant polyunsaturated fatty acid or PUFA synthesis […]

Essential fatty acids

CONTENTS What are essential fatty acids? Functions of EFA and their PUFA derivatives Foods rich in essential fatty acids and derived PUFAs Essential fatty acids in Western diets Omega-6/omega-3 ratio Recommended dietary intake References What are essential fatty acids? Essential fatty acids or EFA are fatty acids which cannot be synthesized de novo by animals, but […]

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